Home / 74,038.02-102,172.49-41,779.48

Finding the Fourth Proportional to 74,038.02, 102,172.49 and 41,779.48

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Solution

The fourth proportional to 74,038.02, 102,172.49 and 41,779.48 is: 57,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,038.02 : 102,172.49 = 41,779.48 : x
  2. Step 2: Convert to fraction form
    74,038.02/102,172.49 = 41,779.48/x
  3. Step 3: Cross multiply
    74,038.02x = 102,172.49 × 41,779.48
  4. Step 4: Simplify right side
    74,038.02x = 4,268,713,502.51
  5. Step 5: Solve for x
    x = 4,268,713,502.51/74,038.02
  6. Step 6: Final answer
    x = 57,655.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.